government savings over those 30 years of $4.4 billion. ah, but there's a problem you pointed out: americans, we absolutely hate the dollar coins. take a look at this gallup poll from 2006. 79% of americans were opposed to switching from dollar bills to dollar coins. now, as time goes on we're not falling in love with the dollar anymore. look at this, 2011, 40% of all dollar coins were returned to the treasury, so the treasury actually stopped making them saying, look, we've got enough of these things to last us for the next 10-20 years. now, the treasury won't make 'em anymore, but this is becoming a global trend. australia, canada, japan, france, spain, a list of countries have all switched to dollar copies, and you mentioned some power players supporting this? senators tom harkin, the dem cat -- democrat from iowa, john mccain from arizona pote in favor of this because their respective states, arizona rich with copper, iowa rich with metals. they would benefit from this. and here's the bottom line, if we do this -- switch over to the do